body {
  background-color: black;
  color: blue;
  font-family: "MS PGothic", Serif;
  letter-spacing: 1px;
  font-size: 12px;
  text-align: left;
  margin: 20px;
}

div {
  display: block;
  unicode-bidi: isolate;
}

ul{
  list-style-type:none;
}

 .crt::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  z-index: 2;
  background-size: 100% 2px, 3px 100%;
  pointer-events: none;
}

@keyframes flicker {
  0% {
  opacity: 0.27861;
  }
  5% {
  opacity: 0.34769;
  }
  10% {
  opacity: 0.23604;
  }
  15% {
  opacity: 0.10626;
  }
  20% {
  opacity: 0.18128;
  }
  25% {
  opacity: 0.10626;
  }
  30% {
  opacity: 0.18128;
  }
  35% {
  opacity: 0.23604;
  }
}

.crt::after {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: rgba(18, 16, 16, 0.1);
  opacity: 0;
  z-index: 2;
  pointer-events: none;
  animation: flicker 0.15s infinite;
}

::-webkit-scrollbar {
  width: 5px;
}

/* Track */
::-webkit-scrollbar-track {
  background-color: black;
  border-radius: 10px;
}
 
/* Handle */
::-webkit-scrollbar-thumb {
  background: blue; 
  border-radius: 10px;
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
  background: #b30000; 
}

::selection {
  background-color: red;
  color: white;
  text-shadow: 0 0 5px blue;
}

.headline{
  background-color: blue;
  color: black;
  padding: 2px;
  font-size: 13px;
}
.headline:hover{
  color: white;
  font-style: italic;
  text-shadow: 0 0 5px white;
  letter-spacing: 3px;
}
.headline2{
  background-color: blue;
  color: black;
  padding: 2px;
  font-size: 13px;
  text-align: right;
}
.headline2:hover{
  color: white;
  font-style: italic;
  text-shadow: 0 0 5px white;
  letter-spacing: 3px;
}

.parent {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: 8px;
}
    
.header {
    grid-column: span 4 / span 4;
}
.headerimg{
  background: url(https://i.imgur.com/7HZJz45.png);
  /* background-size: cover; */
}
.headerimg:hover{
  background: url(https://i.imgur.com/qTsMYcK.png);
}

.sidenav {
    grid-row: span 3 / span 3;
    grid-column-start: 1;
    grid-row-start: 2;
    /* border-style: solid; */
}
.link1{
  position: relative;
  bottom: 9px;
  right: 37px;
  padding: 2px;
}
.link1:hover{
  background: url(https://i.pinimg.com/736x/d3/12/14/d31214f234c71c558975500215d9b2db.jpg);
  background-size: cover;
}
.link1:hover a{
  color: red;
}
.link2{
  position: relative;
  bottom: 9px;
  right: 37px;
  padding: 2px;
}
.link2:hover{
  background: url(https://i.pinimg.com/736x/e9/c4/bd/e9c4bd74bd8caa5cd40d51e89c24528c.jpg);
  background-size: cover;
}
.link2:hover a{
  color: red;
}

.main {
    grid-column: span 4 / span 4;
    grid-row: span 3 / span 3;
    grid-column-start: 2;
    grid-row-start: 2;
    border: solid 1px;
    border-color: lightblue;
}
#box{
  position: relative;
  background-color: white;
  top: 0px;
  left: 0px;
  width: 40%;
  height: 350px;
}

.headsquare {
    grid-column-start: 5;
    grid-row-start: 1;
}

.footer {
    grid-column: span 5 / span 5;
    grid-column-start: 1;
    grid-row-start: 5;
    text-align: center;
    font-size: 10px;
}

.right {
    grid-column: span 2 / span 2;
    grid-row: span 5 / span 5;
    grid-column-start: 6;
    grid-row-start: 1;
}